The IoT clock developed based on Anxinke ESP-C3-12F uses the MAX7219M chip to drive the common cathode digital tube for time display, is powered by micro usb, and uses AMS1117 for 5V-3.3V voltage reduction. At the same time, the data is transmitted to the CH340N chip. The main control chip can realize time display and automatic time adjustment via networking. Manually adjust time and other functions.
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